Cisco 3600 Series Upgrade Instructions page 20

Upgrading System Memory in Cisco 3745 Routers
Figure 8
The mainboard is an ESD-sensitive component. To avoid damage, observe all ESD precautions.
Caution
When you are ready to replace the mainboard tray, see the
Step 8
section on page
Replacing Cisco 3745 SDRAM
SDRAM SODIMM Location and Orientation
The Cisco 3745 router mainboard includes one SODIMM socket, that supports two SDRAM SODIMMs
one on top of the other. You must remove the top SODIMM to gain access to the one on the bottom.
Figure 9
router.
To avoid damaging ESD-sensitive components, observe all ESD precautions. To avoid damaging the
Caution
underlying mainboard, do not use excessive force when you remove or replace SODIMMs.
Upgrading System Memory in Cisco 3700 Series Routers
20
Removing the Mainboard Tray from a Cisco 3745 Router
Captive
retention
screw
24.
shows the location of dynamic memory—that is, SDRAM SODIMMs—in the Cisco 3745
Ejector levers
"Replacing the Cisco 3745 Mainboard"
Captive
retention
screw
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